SKU: 92323539357

Ultima | Rear Brake Wheel Cylinder LHS F/U | Coaster BB21 HZB30 Dyna BU6# 1982–1993 | JB3141

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Description

Ultima | Rear Brake Wheel Cylinder LHS F/U | Coaster BB21 HZB30 Dyna BU6# 1982–1993 | JB3141Ultima Rear Brake Wheel Cylinder LHS F U (JB3141) for Toyota Coaster BB21 HB30 HZB30 RB20 & Dyna BU6# YU6# 19821993 This Ultima Rear Brake Wheel Cylinder (JB3141) is designed as a high quality, direct OE replacement for the Rear Left Hand Side (LHS) of various Toyota Coaster buses and Dyna light trucks. This part is the **Front Upper (F U) or Leading Shoe** cylinder, which is one of two cylinders mounted on the rear drum brake assembly for these heavy

Ultima Rear Brake Wheel Cylinder LHS F/U (JB3141) for Toyota Coaster BB21/HB30/HZB30/RB20 & Dyna BU6#/YU6# 1982–1993

This Ultima Rear Brake Wheel Cylinder (JB3141) is designed as a high-quality, direct OE replacement for the Rear Left-Hand Side (LHS) of various Toyota Coaster buses and Dyna light trucks. This part is the **Front/Upper (F/U) or Leading Shoe** cylinder, which is one of two cylinders mounted on the rear drum brake assembly for these heavy-duty commercial vehicles. It fits models from the approximate 1982 to 1993 production range. This cylinder is a vital component in the rear drum brake system, converting hydraulic pressure into the necessary stopping force required by the brake shoes to ensure safe and dependable performance under high load conditions.

Features & Benefits:

  • Direct Fit OE Replacement: Designed to match the fit, form, and function of the original equipment wheel cylinder on the LHS Leading Shoe position.
  • Heavy-Duty Construction: Built for durability and dependable braking performance in bus and light truck applications.
  • Reliable Braking: Ensures accurate hydraulic pressure transfer for consistent and responsive drum braking performance.
  • Corrosion Resistance: Manufactured from durable materials for protection against corrosion and wear.
  • Position Specific: Designed exclusively for the Rear Left-Hand Side (LHS), Leading/Upper Shoe.
  • Complete Unit: Supplied ready to install with pistons, seals, and boots.

Technical Specifications

  • Brand: Ultima
  • Part Number (SKU): JB3141
  • Type: Brake Wheel Cylinder
  • Position: Rear Left-Hand Side (LHS) F/U (Leading/Upper Shoe)
  • Vehicle Models: Toyota Coaster, Toyota Dyna
  • Series: BB21, HB30, HZB30, RB20 (Coaster), BU6#, YU6# (Dyna)
  • Years: 1982–1993 (Approximate range)
  • Use: Minibus / Light Truck

Vehicle Fitment Information

Make Model Series Years Position
Toyota Coaster BB21, HB30, HZB30, RB20 1982–1993 Rear Left (LHS) F/U
Toyota Dyna BU6#, YU6# 1984–1995 Rear Left (LHS) F/U

Important Information

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Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
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  • Delivery to the USA:
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 92323539357

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Hannah
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★★★★★ 5
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DS
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★★★★★ 4
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Color: Blue
It held up for a few weeks. The arms and tip of the tail were chewed off. Had to throw it away so my dogs wouldnt eat the parts that they chewed off. It kept them busy for a while.
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Reviewed in the United States on June 12, 2026
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Betty and Bill H.
Lowell, US
★★★★★ 3
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Color: Blue
My 22lb dog loves this chew. We have owned it just for one day. He immediately loved it and he races through the house holding it in his mouth like a grand prize. I have concerns to the hardness of the ends of it, the material is very hard, and the tail comes to an end shape that could hurt other pets in a multidog home if it hit or stuck in them. I have two smaller chihuahua dogs, one who has lost an eye so this is something to be careful about with other dogs running with this toy. This may not affect a one dog home. Best to observe the dog while playing with it around others.
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Reviewed in the United States on May 6, 2026
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barb belshe
Carnegie, US
★★★★★ 5
Withstands very aggressive chewing
Color: Blue
We have a very active and aggressive chewer. Items identified for aggressive chewers are “Gone in 60 Seconds”. This toy is amazing. It has withstood Jake’s many attempts to destroy it and is one of his favorites! It is not hard like acrylic but is hard rubber with some give decreasing risk of fractured teeth. Best toy yet!!!
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Reviewed in the United States on May 8, 2026
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Candace McCullough
Massapequa, US
★★★★★ 5
Great chew toy
Color: Blue
I bought this almost a year go. My dog is still chewing on it! Nothing last this long with her. She is a 100lb Rottweiler that is a strong chewer.
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Reviewed in the United States on June 12, 2026

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